Finding the Fourth Proportional to 170,869.23, 235,782.09 and 99,264.42
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Solution
The fourth proportional to 170,869.23, 235,782.09 and 99,264.42 is: 136,974.76
Step by Step Solution
- Step 1: Write the proportion equation
170,869.23 : 235,782.09 = 99,264.42 : x - Step 2: Convert to fraction form
170,869.23/235,782.09 = 99,264.42/x - Step 3: Cross multiply
170,869.23x = 235,782.09 × 99,264.42 - Step 4: Simplify right side
170,869.23x = 23,404,772,410.24 - Step 5: Solve for x
x = 23,404,772,410.24/170,869.23 - Step 6: Final answer
x = 136,974.76
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.